Calasiao in Fall
In fall (September, October and November), Calasiao sees average daytime highs around 30°C and overnight lows near 25°C, with 547 mm of rain over about 45 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 23% of the time across fall, and the air most often feels oppressive.
Fall is Calasiao's 2nd-best season to visit on our travel score. Calasiao has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Calasiao's year-round climate.
- Avg daytime high
- 30°C
- 3rd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 547 mm
- 45 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Calasiao in Fall
Across fall, daytime highs hold fairly steady around 30°C.
A typical fall day in Calasiao reaches about 30°C and drops to 25°C overnight. The warmest of the three months is November, the coolest November.
How fall really feels in Calasiao
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Calasiao weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 9 | 1.7 | 11.2 | 6.6 |
| Feb | 30° / 23° | 12 | 1.9 | 11.5 | 6.2 |
| Mar | 31° / 24° | 19 | 3.5 | 11.9 | 5.2 |
| Apr | 33° / 26° | 34 | 6.8 | 12.3 | 4.0 |
| May | 33° / 26° | 193 | 19.5 | 12.7 | 2.9 |
| Jun | 31° / 26° | 243 | 24 | 12.9 | 2.7 |
| Jul | 30° / 25° | 400 | 28.2 | 12.9 | 2.7 |
| Aug | 30° / 25° | 409 | 28.2 | 12.5 | 2.8 |
| Sep | 30° / 25° | 324 | 26.1 | 12.1 | 3.0 |
| Oct | 30° / 25° | 169 | 13.5 | 11.6 | 4.4 |
| Nov | 30° / 25° | 54 | 5.4 | 11.3 | 5.4 |
| Dec | 30° / 24° | 34 | 4.7 | 11.1 | 6.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 23% of the time across fall.
Chance of precipitation in Fall
Calasiao gets around 547 mm of rain over 45 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early September to 11 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.7 kWh/m².
Hazard calendar for Calasiao
In fall, Calasiao overlaps its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Calasiao sits in the Pacific typhoon belt; the season peaks July–October.
Calasiao's monsoon runs May–September, when most of the year's rain falls.
Is fall a good time to visit Calasiao?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Calasiao for sightseeing.
What to pack for Calasiao in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Calasiao sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 45 days see rain.
Sea temperature near Calasiao in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in June at about 30°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Warm |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Calasiao in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Calasiao peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 11 | 12 | 13 | 12 | 11 | 13 | 13 | 12 | 10 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Calasiao in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Calasiao is worst in November — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 34 | 31 | 33 | 30 | 26 | 28 | 26 | 26 | 27 | 32 | 38 | 37 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 34 | Moderate |
| Feb | 31 | Moderate |
| Mar | 33 | Moderate |
| Apr | 30 | Moderate |
| May | 26 | Moderate |
| Jun | 28 | Moderate |
| Jul | 26 | Moderate |
| Aug | 26 | Moderate |
| Sep | 27 | Moderate |
| Oct | 32 | Moderate |
| Nov | 38 | Poor |
| Dec | 37 | Poor |
Where is Calasiao?
Calasiao sits at 16.0°N, 120.4°E, 9 m above sea level, in Philippines. The nearest listed city is Dagupan, 5.0 km away.
Topography around Calasiao
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Calasiao.
Within 3 km, the terrain around Calasiao has only modest variations in elevation — a maximum elevation change of 13 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 73 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,431 m.
The land around Calasiao is covered by trees (38%) and cropland (36%) within 3 km, cropland (39%), water (27%) and trees (26%) within 16 km, and trees (43%), water (26%) and cropland (22%) within 80 km.
Philippines travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 230 V · 60 Hz
- Prices
- ≈ 33% of US
- price level, 2025
- GDP per capita
- $4,171
- 2025
- Happiness
- 6.2 / 10
- World Happiness, 2025
- Safe drinking water
- 48%
- of population, 2024
- Homicide rate
- 4.3
- per 100k, 2023
- Road deaths
- 12
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 569
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Calasiao (16.0111°, 120.36°, elevation 9 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.